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Finding the Fourth Proportional to 406,517.04, 606,875.42 and 379,502.06

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Solution

The fourth proportional to 406,517.04, 606,875.42 and 379,502.06 is: 566,545.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,517.04 : 606,875.42 = 379,502.06 : x
  2. Step 2: Convert to fraction form
    406,517.04/606,875.42 = 379,502.06/x
  3. Step 3: Cross multiply
    406,517.04x = 606,875.42 × 379,502.06
  4. Step 4: Simplify right side
    406,517.04x = 230,310,467,121.48
  5. Step 5: Solve for x
    x = 230,310,467,121.48/406,517.04
  6. Step 6: Final answer
    x = 566,545.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.